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Muscovite
Muscovite

Hurlbutite
Hurlbutite



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Muscovite
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Hurlbutite

Muscovite and Hurlbutite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky, Pearly
Vitreous
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.552-1.6181.595-1.604
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
Not Available0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Muscovite and Hurlbutite Optic Character

Muscovite and Hurlbutite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Muscovite and Hurlbutite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Muscovite and Hurlbutite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Muscovite and Hurlbutite Transparency

Similar to their colors, Muscovite and Hurlbutite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Muscovite is Transparent while Muscovite is Transparent in appearance.